G - Physics – 07 – B
Patent
G - Physics
07
B
G07B 17/02 (2006.01) G07B 17/00 (2006.01) H04L 9/32 (2006.01) G06F 17/60 (1995.01)
Patent
CA 2158290
A method of verifying a summary activity report representing the total postage expended by a postage meter for a given activity period per preselected postal categories is accomplished by generating a hash value representative of the postal transactions of the postage meter. As a first step, each transaction is recorded in the memory unit of the postage meter. The funding activity records are then retrieved from said memory unit by recorded postal category for the selected activity period. A hash value is then calculated for the retrieved records. The calculated hash value is encrypted and printed along with the retrieved record of funding activity. The printed report including the encrypted hash value is then inputted into a verification apparatus by either key entry or optical scanner. The verification apparatus then independently calculates a hash value based upon the inputted record of funding activity and generates an encrypted hash value representative of the inputted funding information. A comparison is now between the now derived encrypted hash value to the encrypted hash value generated by said verification apparatus. If the report has not been altered that the encrypted hash values will be identical.
Pitney Bowes Inc.
Sim & Mcburney
LandOfFree
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